How To Seal A Drafty Attic

Insulating the attic is the best way to seal these leaks.

How to seal a drafty attic.

Do the same around the top plates of interior walls underneath the attic floor. Weatherstrips are an inexpensive way to help seal drafty doors and windows. Even if your home was built with proper insulation it degrades over time so it s essential you replace the insulation as needed. Seal the wall plate where the top of walls meets the floor ceiling joists in the attic to ensure air does not leak at the outer edges of your attic roof.

By recognizing the drawbacks of a poorly sealed thermal envelope being able to recognize leaks and knowing how to close them you will experience greater comfort health and efficiency in. If your hatch rests directly on the moldings like ours did add 2 1 2 in wide stops around the opening. When you re done sealing your attic bypasses push the insulation back into place with an old broom handle or stick as you back out of the attic. Then finish up by sealing the access hatch with self sticking foam weatherstrip photos 10 and 11.

Simply add filler insulation on top of the existing layer of insulation to seal any drafts. Paintable latex caulk is a great choice to help seal drafts around window or door trim whether indoors and out. For super drafty windows you can seal an especially leaky window shut for the season with dap seal n peel a caulk is designed to be easily removed when warmer weather arrives. You can spray expanding foam between the drywall and framing.

Here are eight simple ways to draft proof your windows and doors this fall. The attic can also be a major source of air leaks. You can do this with expanding foam sealant.